Home / 1,752,078.52-2,626,987.83-687,228.22

Finding the Fourth Proportional to 1,752,078.52, 2,626,987.83 and 687,228.22

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Solution

The fourth proportional to 1,752,078.52, 2,626,987.83 and 687,228.22 is: 1,030,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,078.52 : 2,626,987.83 = 687,228.22 : x
  2. Step 2: Convert to fraction form
    1,752,078.52/2,626,987.83 = 687,228.22/x
  3. Step 3: Cross multiply
    1,752,078.52x = 2,626,987.83 × 687,228.22
  4. Step 4: Simplify right side
    1,752,078.52x = 1,805,340,170,372.56
  5. Step 5: Solve for x
    x = 1,805,340,170,372.56/1,752,078.52
  6. Step 6: Final answer
    x = 1,030,399.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.